html,
body {
  font-family: Consolas, monaco, monospace;
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

.container {
  padding: 20px;
}

h3 {
  margin: 10px 0px;
}

pre {
  padding: 0px 10px;
  background: #e5e5e5;
  font-size: 14px;
  font-family: Consolas, monaco, monospace;
}